/**
 * Copyright 2016 Netflix, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package rx.functions;

/**
 * A functional interface that has a single close method that can throw.
 * @since 1.3
 */
public interface Cancellable {

    /**
     * Cancel the action or free a resource.
     * 
     * @throws Exception
     *             on error
     */
    void cancel() throws Exception;
}